Listing ID #4837339
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Contact SupplierIIS Flange Washer are design relative to most Belleville spring designs is that the OD/ID ratio is small to fit standard flanges. IIS Flange Washer prevent bolt tension loss due to :
• Differential Thermal Expansion
• High Temperature Bolt CreepÂ
• Packing and Gasket RelaxationÂ
• Vibration.
H13 Tool Steel is the main material for this product group, with a working temperature to 1000°F. Materials, such as 17-7 PH Stainless Steel and INCONEL 718 and X-750 Alloys, are also available. H13 flange bolting is available at 30,000, 4000, and 60,000 psi bolt stress.